4. To be a q　　　 teacher, you need to have a good knowledge of the subject you are teaching.

3. This is only a t　 solution to the problem. I have to work out a long-term solution.

2. I can still remember clearly the moment when I had a close e　　　　 　with death.

1. The company asked the a　　 　to work out the cost of the product.

10. √。

9. 去掉at

8. anything→ something

7. and→ but

6. bright→ brightly

5. most→ largest